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20 # THIS SOFTWARE IS PROVIDED BY RED HAT AND CONTRIBUTORS ''AS IS'' AND
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39 requires
dd iflag
=count_bytes
</dev
/null
41 files
="retry.img retry-count retry-open-count"
43 cleanup_fn
rm -f $files
45 touch retry-count retry-open-count
48 # Create a custom plugin which will test retrying.
51 --filter=retry retry-delay
=1 \
52 --run 'nbdcopy "$uri" retry.img' <<'EOF'
56 # Count how many times the connection is (re-)opened.
57 read i < retry-open-count
58 echo $((i+1)) > retry-open-count
61 # Fail 3 times then succeed.
66 echo "EIO pread failed" >&2
69 dd if=/dev/zero count=$3 iflag=count_bytes
78 # In this test we should see 3 failures:
80 # retry and wait 1 seconds
82 # retry and wait 2 seconds
84 # retry and wait 4 seconds
87 # The minimum time for the test should be 1+2+4 = 7 seconds.
89 if [ $
((end_t
- start_t
)) -lt 7 ]; then
90 echo "$0: test ran too quickly"
94 # Check the handle was opened 4 times (first open + one reopen for
96 read open_count
< retry-open-count
97 if [ $open_count -ne 4 ]; then
98 echo "$0: open-count ($open_count) != 4"